On Mon, 1 Dec 2008, Zhao Yakui wrote: > On Fri, 2008-11-28 at 14:47 +0800, Yves-Alexis Perez wrote: > > Hi, > > > > I'm running linux 2.6.28-rc6-00007-ged31348 on my Thinkpad T61, with > > Intel GM965. Under X, brightness keys work fine most of the time, but in > > some case it fails (for example after a dpms force off, but not always). > > Switching to console and back to X fix the problem for a time. > Will you please confirm whether the issue still exists if DPMS is not > used? I don't have DPMS enabled, and if editing xorg.conf is required to enable it, I never will. > > Another weird stuff is that, in single user, I have no way to control > > the backlight. Using brightness key doesn't work, > > and /sys/class/backlight/acpi_video0 doesn't do anything. > Can you confirm whether the i915 driver is loaded in single user mode? > If not, please load it and see whether the interface > of /sys/class/backlight/* can work. In 2.6.28... in single user mode, i915 is not loaded, /sys/class/backlight/acpi_video0 does NOT work modprobe of i915 does not change this. In 2.6.27 in single user mode, i915 is not loaded, /sys/class/backlight/acpi_video0 does NOT work /sys/class/backlight/acpi_video1 DOES work modprobe of i915 does not change this. -Len -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
